113151511 has 4 divisors (see below), whose sum is σ = 123438024. Its totient is φ = 102865000.

The previous prime is 113151509. The next prime is 113151527. The reversal of 113151511 is 115151311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113151511 - 2¹ = 113151509 is a prime.

It is a super-4 number, since 4×113151511⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113151211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143240 + ... + 5143261.

It is an arithmetic number, because the mean of its divisors is an integer number (30859506).

Almost surely, 2^113151511 is an apocalyptic number.

113151511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113151511 is a deficient number, since it is larger than the sum of its proper divisors (10286513).

113151511 is a wasteful number, since it uses less digits than its factorization.

113151511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286512.

The product of its digits is 75, while the sum is 19.

The square root of 113151511 is about 10637.2699035044. The cubic root of 113151511 is about 483.6747909260.

The spelling of 113151511 in words is "one hundred thirteen million, one hundred fifty-one thousand, five hundred eleven".