1011640162155 has 48 divisors (see below), whose sum is σ = 1904045628960. Its totient is φ = 457267819008.

The previous prime is 1011640162151. The next prime is 1011640162163. The reversal of 1011640162155 is 5512610461101.

It is not a de Polignac number, because 1011640162155 - 2² = 1011640162151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011640162151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7667064 + ... + 7797893.

It is an arithmetic number, because the mean of its divisors is an integer number (39667617270).

Almost surely, 2^{1011640162155} is an apocalyptic number.

1011640162155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1011640162155 is a deficient number, since it is larger than the sum of its proper divisors (892405466805).

1011640162155 is a wasteful number, since it uses less digits than its factorization.

1011640162155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465068 (or 15465061 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 1011640162155 in words is "one trillion, eleven billion, six hundred forty million, one hundred sixty-two thousand, one hundred fifty-five".