115551201153550 has 48 divisors (see below), whose sum is σ = 217064651629392. Its totient is φ = 45760438944000.

The previous prime is 115551201153539. The next prime is 115551201153559. The reversal of 115551201153550 is 55351102155511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115551201153559) 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, 96735037 + ... + 97922263.

It is an arithmetic number, because the mean of its divisors is an integer number (4522180242279).

Almost surely, 2^{115551201153550} is an apocalyptic number.

115551201153550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115551201153550 is a deficient number, since it is larger than the sum of its proper divisors (101513450475842).

115551201153550 is a wasteful number, since it uses less digits than its factorization.

115551201153550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206613 (or 1206608 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 115551201153550 in words is "one hundred fifteen trillion, five hundred fifty-one billion, two hundred one million, one hundred fifty-three thousand, five hundred fifty".