155250222651 has 6 divisors (see below), whose sum is σ = 224250321620. Its totient is φ = 103500148428.

The previous prime is 155250222649. The next prime is 155250222653. The reversal of 155250222651 is 156222052551.

155250222651 is a `hidden beast` number, since 1 + 552 + 50 + 2 + 2 + 2 + 6 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (155250222649) and next prime (155250222653).

It is not a de Polignac number, because 155250222651 - 2¹ = 155250222649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155250222653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8625012361 + ... + 8625012378.

Almost surely, 2^155250222651 is an apocalyptic number.

155250222651 is a deficient number, since it is larger than the sum of its proper divisors (69000098969).

155250222651 is a wasteful number, since it uses less digits than its factorization.

155250222651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250024745 (or 17250024742 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 155250222651 in words is "one hundred fifty-five billion, two hundred fifty million, two hundred twenty-two thousand, six hundred fifty-one".