61530036071355 has 48 divisors (see below), whose sum is σ = 110962407139584. Its totient is φ = 32709126468960.

The previous prime is 61530036071327. The next prime is 61530036071389. The reversal of 61530036071355 is 55317063003516.

61530036071355 is a `hidden beast` number, since 6 + 1 + 5 + 3 + 0 + 0 + 3 + 607 + 1 + 35 + 5 = 666.

It is not a de Polignac number, because 61530036071355 - 2¹³ = 61530036063163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61530036071355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82105831 + ... + 82851840.

It is an arithmetic number, because the mean of its divisors is an integer number (2311716815408).

Almost surely, 2^{61530036071355} is an apocalyptic number.

61530036071355 is a deficient number, since it is larger than the sum of its proper divisors (49432371068229).

61530036071355 is a wasteful number, since it uses less digits than its factorization.

61530036071355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164957998 (or 164957986 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

The spelling of 61530036071355 in words is "sixty-one trillion, five hundred thirty billion, thirty-six million, seventy-one thousand, three hundred fifty-five".