1150255553403 has 24 divisors (see below), whose sum is σ = 1685880235984. Its totient is φ = 697080637440.

The previous prime is 1150255553399. The next prime is 1150255553471. The reversal of 1150255553403 is 3043555520511.

It is not a de Polignac number, because 1150255553403 - 2² = 1150255553399 is a prime.

It is a super-3 number, since 3×1150255553403³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150255553903) 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, 6216675 + ... + 6399027.

Almost surely, 2^{1150255553403} is an apocalyptic number.

1150255553403 is a deficient number, since it is larger than the sum of its proper divisors (535624682581).

1150255553403 is a wasteful number, since it uses less digits than its factorization.

1150255553403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199755 (or 199744 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 1150255553403 in words is "one trillion, one hundred fifty billion, two hundred fifty-five million, five hundred fifty-three thousand, four hundred three".