1135402551 has 24 divisors (see below), whose sum is σ = 1727856000. Its totient is φ = 716468112.

The previous prime is 1135402537. The next prime is 1135402561. The reversal of 1135402551 is 1552045311.

1135402551 is a `hidden beast` number, since 113 + 540 + 2 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 1135402551 - 2⁷ = 1135402423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135402501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264460 + ... + 268718.

It is an arithmetic number, because the mean of its divisors is an integer number (71994000).

Almost surely, 2^1135402551 is an apocalyptic number.

1135402551 is a deficient number, since it is larger than the sum of its proper divisors (592453449).

1135402551 is a wasteful number, since it uses less digits than its factorization.

1135402551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843 (or 5840 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1135402551 is about 33695.7349081453. The cubic root of 1135402551 is about 1043.2377373877.

Adding to 1135402551 its reverse (1552045311), we get a palindrome (2687447862).

The spelling of 1135402551 in words is "one billion, one hundred thirty-five million, four hundred two thousand, five hundred fifty-one".