1951448101146 has 48 divisors (see below), whose sum is σ = 4385587533600. Its totient is φ = 650356261488.

The previous prime is 1951448101139. The next prime is 1951448101171. The reversal of 1951448101146 is 6411018441591.

1951448101146 is a `hidden beast` number, since 1 + 9 + 51 + 4 + 481 + 0 + 114 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2129340 + ... + 2904648.

It is an arithmetic number, because the mean of its divisors is an integer number (91366406950).

Almost surely, 2^{1951448101146} is an apocalyptic number.

1951448101146 is an abundant number, since it is smaller than the sum of its proper divisors (2434139432454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1951448101146 is an equidigital number, since it uses as much as digits as its factorization.

1951448101146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780505 (or 780493 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 1951448101146 in words is "one trillion, nine hundred fifty-one billion, four hundred forty-eight million, one hundred one thousand, one hundred forty-six".