90151127281772 has 6 divisors (see below), whose sum is σ = 157764472743108. Its totient is φ = 45075563640884.

The previous prime is 90151127281769. The next prime is 90151127281819. The reversal of 90151127281772 is 27718272115109.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268890910218 + ... + 11268890910225.

It is an arithmetic number, because the mean of its divisors is an integer number (26294078790518).

Almost surely, 2^{90151127281772} is an apocalyptic number.

It is an amenable number.

90151127281772 is a deficient number, since it is larger than the sum of its proper divisors (67613345461336).

90151127281772 is a wasteful number, since it uses less digits than its factorization.

90151127281772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22537781820447 (or 22537781820445 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 53.

The spelling of 90151127281772 in words is "ninety trillion, one hundred fifty-one billion, one hundred twenty-seven million, two hundred eighty-one thousand, seven hundred seventy-two".