155654641520053 has 16 divisors (see below), whose sum is σ = 176451676369920. Its totient is φ = 136118212848576.

The previous prime is 155654641520047. The next prime is 155654641520071. The reversal of 155654641520053 is 350025146456551.

It is a cyclic number.

It is not a de Polignac number, because 155654641520053 - 2³⁷ = 155517202566581 is a prime.

It is a super-2 number, since 2×155654641520053² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155654641520033) 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, 40808451 + ... + 44459407.

It is an arithmetic number, because the mean of its divisors is an integer number (11028229773120).

Almost surely, 2^{155654641520053} is an apocalyptic number.

155654641520053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155654641520053 is a deficient number, since it is larger than the sum of its proper divisors (20797034849867).

155654641520053 is a wasteful number, since it uses less digits than its factorization.

155654641520053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823596.

The product of its (nonzero) digits is 10800000, while the sum is 52.

The spelling of 155654641520053 in words is "one hundred fifty-five trillion, six hundred fifty-four billion, six hundred forty-one million, five hundred twenty thousand, fifty-three".