113451436987 has 8 divisors (see below), whose sum is σ = 129676246272. Its totient is φ = 97230993000.

The previous prime is 113451436937. The next prime is 113451436991. The reversal of 113451436987 is 789634154311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113451436987 - 2¹⁹ = 113450912699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113451436937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035439 + ... + 1139752.

It is an arithmetic number, because the mean of its divisors is an integer number (16209530784).

Almost surely, 2^113451436987 is an apocalyptic number.

113451436987 is a deficient number, since it is larger than the sum of its proper divisors (16224809285).

113451436987 is an equidigital number, since it uses as much as digits as its factorization.

113451436987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182649.

The product of its digits is 2177280, while the sum is 52.

The spelling of 113451436987 in words is "one hundred thirteen billion, four hundred fifty-one million, four hundred thirty-six thousand, nine hundred eighty-seven".