155453501152636 has 6 divisors (see below), whose sum is σ = 272043627017120. Its totient is φ = 77726750576316.

The previous prime is 155453501152627. The next prime is 155453501152657. The reversal of 155453501152636 is 636251105354551.

It is a super-2 number, since 2×155453501152636² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19431687644076 + ... + 19431687644083.

Almost surely, 2^{155453501152636} is an apocalyptic number.

It is an amenable number.

155453501152636 is a deficient number, since it is larger than the sum of its proper divisors (116590125864484).

155453501152636 is a wasteful number, since it uses less digits than its factorization.

155453501152636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38863375288163 (or 38863375288161 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 155453501152636 in words is "one hundred fifty-five trillion, four hundred fifty-three billion, five hundred one million, one hundred fifty-two thousand, six hundred thirty-six".