1163525454 has 144 divisors (see below), whose sum is σ = 3156495264. Its totient is φ = 303264000.

The previous prime is 1163525437. The next prime is 1163525471. The reversal of 1163525454 is 4545253611.

1163525454 is a `hidden beast` number, since 1 + 1 + 63 + 52 + 545 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1163525437) and next prime (1163525471).

It is a super-2 number, since 2×1163525454² = 2707582964211812232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2150424 + ... + 2150964.

It is an arithmetic number, because the mean of its divisors is an integer number (21920106).

Almost surely, 2^1163525454 is an apocalyptic number.

1163525454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163525454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578247632).

1163525454 is an abundant number, since it is smaller than the sum of its proper divisors (1992969810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163525454 is a wasteful number, since it uses less digits than its factorization.

1163525454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 667 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 1163525454 is about 34110.4889147019. The cubic root of 1163525454 is about 1051.7809394870.

The spelling of 1163525454 in words is "one billion, one hundred sixty-three million, five hundred twenty-five thousand, four hundred fifty-four".