61156070711630 has 128 divisors (see below), whose sum is σ = 121880408469120. Its totient is φ = 22010404700160.

The previous prime is 61156070711627. The next prime is 61156070711633. The reversal of 61156070711630 is 3611707065116.

It is an interprime number because it is at equal distance from previous prime (61156070711627) and next prime (61156070711633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61156070711633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49165160 + ... + 50393700.

It is an arithmetic number, because the mean of its divisors is an integer number (952190691165).

Almost surely, 2^{61156070711630} is an apocalyptic number.

61156070711630 is a deficient number, since it is larger than the sum of its proper divisors (60724337757490).

61156070711630 is a wasteful number, since it uses less digits than its factorization.

61156070711630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228774.

The product of its (nonzero) digits is 158760, while the sum is 44.

Adding to 61156070711630 its reverse (3611707065116), we get a palindrome (64767777776746).

The spelling of 61156070711630 in words is "sixty-one trillion, one hundred fifty-six billion, seventy million, seven hundred eleven thousand, six hundred thirty".