1157498453892 has 96 divisors (see below), whose sum is σ = 2987288760960. Its totient is φ = 345886433280.

The previous prime is 1157498453873. The next prime is 1157498453927. The reversal of 1157498453892 is 2983548947511.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79094608 + ... + 79109240.

It is an arithmetic number, because the mean of its divisors is an integer number (31117591260).

Almost surely, 2^{1157498453892} is an apocalyptic number.

1157498453892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157498453892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493644380480).

1157498453892 is an abundant number, since it is smaller than the sum of its proper divisors (1829790307068).

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

1157498453892 is a wasteful number, since it uses less digits than its factorization.

1157498453892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22933 (or 22931 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 1157498453892 in words is "one trillion, one hundred fifty-seven billion, four hundred ninety-eight million, four hundred fifty-three thousand, eight hundred ninety-two".