155623076051 has 2 divisors, whose sum is σ = 155623076052. Its totient is φ = 155623076050.

The previous prime is 155623076033. The next prime is 155623076107. The reversal of 155623076051 is 150670326551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155623076051 is a prime.

It is not a weakly prime, because it can be changed into another prime (155623075051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77811538025 + 77811538026.

It is an arithmetic number, because the mean of its divisors is an integer number (77811538026).

Almost surely, 2^155623076051 is an apocalyptic number.

155623076051 is a deficient number, since it is larger than the sum of its proper divisors (1).

155623076051 is an equidigital number, since it uses as much as digits as its factorization.

155623076051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 155623076051 in words is "one hundred fifty-five billion, six hundred twenty-three million, seventy-six thousand, fifty-one".