157061153020617 has 6 divisors (see below), whose sum is σ = 226866109918682. Its totient is φ = 104707435347072.

The previous prime is 157061153020553. The next prime is 157061153020619. The reversal of 157061153020617 is 716020351160751.

157061153020617 is a `hidden beast` number, since 1 + 5 + 7 + 0 + 6 + 1 + 1 + 5 + 3 + 0 + 20 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128697476049081 + 28363676971536 = 11344491^2 + 5325756^2 .

It is not a de Polignac number, because 157061153020617 - 2⁶ = 157061153020553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157061153020619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8725619612248 + ... + 8725619612265.

Almost surely, 2^{157061153020617} is an apocalyptic number.

It is an amenable number.

157061153020617 is a deficient number, since it is larger than the sum of its proper divisors (69804956898065).

157061153020617 is a wasteful number, since it uses less digits than its factorization.

157061153020617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451239224519 (or 17451239224516 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 157061153020617 in words is "one hundred fifty-seven trillion, sixty-one billion, one hundred fifty-three million, twenty thousand, six hundred seventeen".