115444455501 has 16 divisors (see below), whose sum is σ = 154315022400. Its totient is φ = 76768677888.

The previous prime is 115444455493. The next prime is 115444455509. The reversal of 115444455501 is 105554444511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115444455493) and next prime (115444455509).

It is not a de Polignac number, because 115444455501 - 2³ = 115444455493 is a prime.

It is a super-2 number, since 2×115444455501² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115444455501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115444455509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877635 + ... + 1938143.

It is an arithmetic number, because the mean of its divisors is an integer number (9644688900).

Almost surely, 2^115444455501 is an apocalyptic number.

It is an amenable number.

115444455501 is a deficient number, since it is larger than the sum of its proper divisors (38870566899).

115444455501 is an equidigital number, since it uses as much as digits as its factorization.

115444455501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62108.

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 115444455501 in words is "one hundred fifteen billion, four hundred forty-four million, four hundred fifty-five thousand, five hundred one".