1023156536264 has 32 divisors (see below), whose sum is σ = 1929240253440. Its totient is φ = 508694630400.

The previous prime is 1023156536261. The next prime is 1023156536327. The reversal of 1023156536264 is 4626356513201.

1023156536264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1023156536261) 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, 3690824 + ... + 3958344.

It is an arithmetic number, because the mean of its divisors is an integer number (60288757920).

Almost surely, 2^{1023156536264} is an apocalyptic number.

It is an amenable number.

1023156536264 is a deficient number, since it is larger than the sum of its proper divisors (906083717176).

1023156536264 is a wasteful number, since it uses less digits than its factorization.

1023156536264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270221 (or 270217 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1023156536264 in words is "one trillion, twenty-three billion, one hundred fifty-six million, five hundred thirty-six thousand, two hundred sixty-four".