151026655221 has 16 divisors (see below), whose sum is σ = 240954208320. Its totient is φ = 92939479920.

The previous prime is 151026655201. The next prime is 151026655231. The reversal of 151026655221 is 122556620151.

151026655221 is a `hidden beast` number, since 1 + 51 + 0 + 26 + 65 + 522 + 1 = 666.

It is not a de Polignac number, because 151026655221 - 2¹³ = 151026647029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151026655201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215137335 + ... + 215138036.

It is an arithmetic number, because the mean of its divisors is an integer number (15059638020).

Almost surely, 2^151026655221 is an apocalyptic number.

It is an amenable number.

151026655221 is a deficient number, since it is larger than the sum of its proper divisors (89927553099).

151026655221 is a wasteful number, since it uses less digits than its factorization.

151026655221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430275393 (or 430275387 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 151026655221 in words is "one hundred fifty-one billion, twenty-six million, six hundred fifty-five thousand, two hundred twenty-one".